21249744

素因数分解:

$2^4\times 3^1\times {\mathrm{442703}}^1$

素因数の和:442714

約数の個数: 20

約数和(自身を含む): 54895296

約数和(自身を除く): 33645552

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 442703, 885406, 1328109, 1770812, 2656218, 3541624, 5312436, 7083248, 10624872, 21249744]

約数ペア:

[(1, 21249744), (2, 10624872), (3, 7083248), (4, 5312436), (6, 3541624), (8, 2656218), (12, 1770812), (16, 1328109), (24, 885406), (48, 442703)]